<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Image Gallery</title>
<link href="css/layout.css" rel="stylesheet" media="screen">
</head>
<body>
	<h1>Snapshots</h1>
	<ul id="imageGallery">
		<li><a href="images/1.jpg" title="A fireworks display">
			   <img src="images/1_1.jpg" alt="Fireworks" /></a></li>
		<li><a href="images/2.jpg" title="A cup of black coffee">
			<img src="images/2_1.jpg" alt="Coffee" /></a></li>
		<li><a href="images/3.jpg" title="A red, red rose">
			<img src="images/3_1.jpg" alt="Rose" /></a></li>
		<li><a href="images/4.jpg" title="The famous clock">
			<img src="images/4_1.jpg" alt="Big Ben" /></a></li>
	</ul>
	<a href="http://www.example.com" class="popUp">example</a>
    <script src="js/popUp.js" type="text/javascript" charset="utf-8" async defer></script>
    <script src="js/example.js" type="text/javascript" charset="utf-8" async defer></script>
</body>
</html>